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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License, Version 1.0 only
      6  * (the "License").  You may not use this file except in compliance
      7  * with the License.
      8  *
      9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     10  * or http://www.opensolaris.org/os/licensing.
     11  * See the License for the specific language governing permissions
     12  * and limitations under the License.
     13  *
     14  * When distributing Covered Code, include this CDDL HEADER in each
     15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     16  * If applicable, add the following below this CDDL HEADER, with the
     17  * fields enclosed by brackets "[]" replaced with your own identifying
     18  * information: Portions Copyright [yyyy] [name of copyright owner]
     19  *
     20  * CDDL HEADER END
     21  */
     22 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
     23 /*	  All Rights Reserved  	*/
     24 
     25 
     26 #ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.6	*/
     27 /*
     28  *	UNIX shell
     29  */
     30 
     31 
     32 /* symbols for parsing */
     33 #define DOSYM	0405
     34 #define FISYM	0420
     35 #define EFSYM	0422
     36 #define ELSYM	0421
     37 #define INSYM	0412
     38 #define BRSYM	0406
     39 #define KTSYM	0450
     40 #define THSYM	0444
     41 #define ODSYM	0441
     42 #define ESSYM	0442
     43 #define IFSYM	0436
     44 #define FORSYM	0435
     45 #define WHSYM	0433
     46 #define UNSYM	0427
     47 #define CASYM	0417
     48 
     49 #define SYMREP	04000
     50 #define ECSYM	(SYMREP|';')
     51 #define ANDFSYM	(SYMREP|'&')
     52 #define ORFSYM	(SYMREP|'|')
     53 #define APPSYM	(SYMREP|'>')
     54 #define DOCSYM	(SYMREP|'<')
     55 #define EOFSYM	02000
     56 #define SYMFLG	0400
     57 
     58 /* arg to `cmd' */
     59 #define NLFLG	1
     60 #define MTFLG	2
     61 
     62 /* for peekc */
     63 #define MARK	0x80000000
     64 
     65 /* odd chars */
     66 #define DQUOTE	'"'
     67 #define SQUOTE	'`'
     68 #define LITERAL	'\''
     69 #define DOLLAR	'$'
     70 #define ESCAPE	'\\'
     71 #define BRACE	'{'
     72 #define COMCHAR '#'
     73